fits model: F150, F250, F350, 250, 350.

( Brand: Roush Performance ), ( Manufacturer Part Number: 421237 ), ( Part Type: Intake )
The 421237 Roush Air Intake Kit is a high-performance upgrade designed specifically for the 3.7L, 5.0L, and 6.2L engines found in the F-150, F-250, and F-350 models. This air intake kit is a direct replacement for the factory air intake system and is engineered to provide maximum airflow and power.
The kit features a high-flow, mandrel-bent aluminum intake tube that reduces restriction and increases airflow to the engine. The tube is coated with a black ceramic coating for heat protection and a sleek, finished look. The intake tube connects to a high-flow, conical-shaped air filter, which is designed to capture dirt and debris while allowing maximum airflow. The air filter is easy to clean and reuse, reducing maintenance costs and waste.
The 421237 Roush Air Intake Kit also includes a high-quality, billet aluminum intake manifold adapter, which ensures a proper fit and seal between the intake tube and the engine. The adapter is also coated with a black ceramic coating for heat protection.
The kit is easy to install, requiring only basic hand tools and minimal modification to the factory air intake system. It comes with detailed installation instructions and all necessary hardware.
Overall, the 421237 Roush Air Intake Kit is a high-quality, performance-enhancing upgrade for your Ford truck. It is designed to increase airflow, improve engine performance, and provide a sleek, finished look. Whether you're looking to add power to your daily driver or take your truck to the track, this kit is a great option to consider.
Pros of buying a Roush Air Intake Kit (421237):1. Enhanced engine performance: The Roush air intake kit is designed to improve the airflow into your engine, which can result in increased horsepower, torque, and throttle response.
2. Easy installation: This kit is typically easy to install, often requiring no modifications to your vehicle's engine bay.
3. Improved sound: The Roush air intake kit often comes with a cold-air intake tube and a high-flow air filter, which can result in a more aggressive engine sound.
4. Increased fuel efficiency: By improving airflow, the Roush air intake kit can potentially help your engine run more efficiently, resulting in better fuel economy.
Cons of buying a Roush Air Intake Kit (421237):1. Cost: Air intake kits can be expensive, and the Roush kit is no exception. The cost can vary depending on the specific model of your truck and the retailer you purchase from.
2. Voiding of warranty: Some manufacturers may void your vehicle's warranty if they find an aftermarket part installed, so it's essential to check your vehicle's warranty coverage before installing the kit.
3. Potential decreased fuel economy: While some users report improved fuel efficiency, others have experienced a slight decrease in fuel economy due to increased engine demand.
4. Maintenance: The Roush air intake kit requires regular maintenance, including cleaning or replacing the air filter.
Conclusion:The Roush Air Intake Kit (421237) can provide noticeable performance improvements for your F150, F250, or F350, especially if you're looking for an easy upgrade. However, it's essential to weigh the pros and cons and consider your budget, vehicle warranty, and maintenance preferences before making a purchase. If you're comfortable with the investment and willing to maintain the kit, it can be a worthwhile upgrade for your truck's performance.
Recommendation:If you're looking for a performance upgrade for your F150, F250, or F350 and are comfortable with the associated costs and maintenance, the Roush Air Intake Kit (421237) is a solid choice. Make sure to research the kit thoroughly, compare prices from various retailers, and check your vehicle's warranty coverage before making a purchase.
Will not work with the Easy installation in less than one hour and requires no drilling or cutting. The air box lid has a piece that broke off.
An injection molded mass air flow tube and box lid designed for maximum efficiency. I mocked up the intake to show that defect is in an area will not be seen and also it has no effect on function or Performance of air. 7l v62011-2014 f-250 f-350 super duty with 6.
Open box item. Designed and manufactured for superior structural stability durability. 5l oboist brand new and unused.
No original packaging. A washable, reusable premium high flow air filter.